Stihl MS 240 Instruction Manual page 103

Testing the thermostatic switch
The thermostatic switch may open
or close within the tolerance range
between +13°C and +6°C, i.e. the
switch must open at + 6°C and close
at 13°C at the latest in each case.
– Clip one test lead to the contact
spring and the other to the flag
terminal.
Check operation, b 15.2
1
: Fit the new thermostatic switch
(1) so that the rping (arrow) faces
the carburetor.
102
1
2
: Position the retainer (1) so that its
tab engages the lug (arrow).
– Insert the screws.
– Line up the thermostatic switch
(2) so that it is flush with the
retainer.
– Tighten down the screws firmly.
– Install the carburetor, b 14.2
: Push the connector (1) on to the
contact spring (arrow) as far as
stop.
: Position the wire in the guide
(arrow) between the tank housing
and carburetor.
– Reassemble all other parts in the
reverse sequence.
– Tightening torques, b 3.5
– Check operation.
1
MS 240, MS 260, MS 260 C